Add a pref checkbox to enable/disable screen lock for ChromeOs.

chrome/browser/chromeos/dom_ui/cros_personal_options_handler.cc

+// Copyright (c) 2010 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "chrome/browser/chromeos/dom_ui/cros_personal_options_handler.h"
+
+#include "app/l10n_util.h"
+#include "base/values.h"
+#include "chrome/browser/chromeos/login/user_manager.h"
+#include "chrome/browser/dom_ui/dom_ui_util.h"
+#include "grit/generated_resources.h"
+#include "third_party/skia/include/core/SkBitmap.h"
+
+namespace chromeos {
+
+CrosPersonalOptionsHandler::CrosPersonalOptionsHandler() {
+}
+
+CrosPersonalOptionsHandler::~CrosPersonalOptionsHandler() {
+}
+
+void CrosPersonalOptionsHandler::GetLocalizedValues(
+    DictionaryValue* localized_strings) {
+  localized_strings->SetString("account",
+      l10n_util::GetStringUTF16(IDS_OPTIONS_PERSONAL_ACCOUNT_GROUP_NAME));
+  localized_strings->SetString("enable_screenlock",
+      l10n_util::GetStringUTF16(IDS_OPTIONS_ENABLE_SCREENLOCKER_CHECKBOX));
+}
+
+void CrosPersonalOptionsHandler::RegisterMessages() {
+  dom_ui_->RegisterMessageCallback(
+      "loadAccountPicture",
+      NewCallback(this, &CrosPersonalOptionsHandler::LoadAccountPicture));
+}
+
+void CrosPersonalOptionsHandler::LoadAccountPicture(const ListValue* args) {
+  const SkBitmap& account_picture =
+      UserManager::Get()->logged_in_user().image();
+
+  if (!account_picture.isNull()) {
+    StringValue data_url(dom_ui_util::GetImageDataUrl(account_picture));
+    dom_ui_->CallJavascriptFunction(L"PersonalOptions.setAccountPicture",
+        data_url);
+  }
+}
+
+}  // namespace chromeos
+